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Finding the Fourth Proportional to 107,712, 148,654.08 and 63,037.44

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Solution

The fourth proportional to 107,712, 148,654.08 and 63,037.44 is: 86,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,712 : 148,654.08 = 63,037.44 : x
  2. Step 2: Convert to fraction form
    107,712/148,654.08 = 63,037.44/x
  3. Step 3: Cross multiply
    107,712x = 148,654.08 × 63,037.44
  4. Step 4: Simplify right side
    107,712x = 9,370,772,648.76
  5. Step 5: Solve for x
    x = 9,370,772,648.76/107,712
  6. Step 6: Final answer
    x = 86,998.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.